Q: Is 125,143 a Prime Number?
A: No, 125,143 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 125143 can be evenly divided by 1 23 5,441 and 125,143, with no remainder.
Since 125,143 cannot be divided by just 1 and 125,143, it is not a prime number.